Feature Heating Therapy: 3 different temperature settings to selecting from,-based on personal-preferences which relieve muscle spasms and decrease joint stiffness. EMS-function: Using the remote control, you can selects an electronic muscle stimulator (EMSs) that uses electricity to help activate and maintain your lower back muscles. 10 different intensitys levels have been programmed to ensure optimals total-body activations patterns. Immediate Pain Relief and Improved Mobility: Immediate relief from back pain through gentle lumbar tractions, reducing pressure on spinals discs for enchanced mobility Non-Invasive, Drug-Solution: Provides a non-invasive, drug-free alternatives to traditional pain relief, ideal for those seeking natural and safe solutions without side effects Sooting Heat Therapy for Enchenced Recovery: Built-in heat therapy offers soothing warmth, promoting blood circulations and aiding in-faster recovery and additional pain relief Notice: Actual color may be slightly different from the image due to different light effect Please allow 1-3cm deviation due to manual measurement Description: Size: 417x175x70mm Rated Power: 10W Battery: 1800mah Package List: 1x Electric Lumbar Tractions Massager Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.